Do Ki disguises himself as a burner phone peddler, Mr. Wang, from Harbin. Using his good looks, he tries to win the heart of the boss of the voice phishing ring, Madam Lim. However, things start to get complicated when Ha Na arrives on the scene of their undercover operation and Jin Won's cover is blown. Do Ki pretends to be on the run from the law and tells Madam Lim that he must leave the following day. Not knowing that this is all part of Do Ki's plan, Madam Lim's feelings for Mr. Wang grow deeper. Meanwhile, Go Eun fiddles with Madam Lim's bank account and tricks her into revealing her bank information.